Iwo Jima
E20777
Iwo Jima is a small volcanic island in the western Pacific Ocean, historically significant as the site of a major World War II battle between the United States and Japan.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Iwo Jima canonical | 32 |
| 硫黄島 | 3 |
| North Iwo Jima | 2 |
| Iwo Jima, Volcano Islands | 1 |
| Iwo To | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T88954 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: Iwo Jima Context triple: [Battle of Iwo Jima, location, Iwo Jima]
-
A.
Battle of Iwo Jima
The Battle of Iwo Jima was a major 1945 Pacific campaign clash between the United States and Japan, famed for its brutal fighting and the iconic flag-raising on Mount Suribachi.
-
B.
Guadalcanal
Guadalcanal is a major island in the Solomon Islands best known as the site of a pivotal World War II campaign between Allied and Japanese forces in the Pacific.
-
C.
Battle of Okinawa
The Battle of Okinawa was a major and brutal 1945 Pacific campaign between the United States and Japan, marked by intense ground combat, massive casualties, and kamikaze attacks, and is often seen as a decisive factor leading to the end of World War II.
-
D.
Battle of Tarawa
The Battle of Tarawa was a brutal 1943 Pacific island assault in which U.S. Marines fought heavily entrenched Japanese forces on the atoll of Betio, marking one of World War II’s first major amphibious invasions against a strongly defended beachhead.
-
E.
Battle of Saipan
The Battle of Saipan was a pivotal 1944 Pacific campaign in World War II in which U.S. forces captured the strategically vital island of Saipan from Japan, enabling direct bombing raids on the Japanese home islands.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Iwo Jima Target entity description: Iwo Jima is a small volcanic island in the western Pacific Ocean, historically significant as the site of a major World War II battle between the United States and Japan.
-
A.
Battle of Iwo Jima
The Battle of Iwo Jima was a major 1945 Pacific campaign clash between the United States and Japan, famed for its brutal fighting and the iconic flag-raising on Mount Suribachi.
-
B.
Guadalcanal
Guadalcanal is a major island in the Solomon Islands best known as the site of a pivotal World War II campaign between Allied and Japanese forces in the Pacific.
-
C.
Battle of Okinawa
The Battle of Okinawa was a major and brutal 1945 Pacific campaign between the United States and Japan, marked by intense ground combat, massive casualties, and kamikaze attacks, and is often seen as a decisive factor leading to the end of World War II.
-
D.
Battle of Tarawa
The Battle of Tarawa was a brutal 1943 Pacific island assault in which U.S. Marines fought heavily entrenched Japanese forces on the atoll of Betio, marking one of World War II’s first major amphibious invasions against a strongly defended beachhead.
-
E.
Battle of Saipan
The Battle of Saipan was a pivotal 1944 Pacific campaign in World War II in which U.S. forces captured the strategically vital island of Saipan from Japan, enabling direct bombing raids on the Japanese home islands.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
former municipality
ⓘ
island ⓘ volcanic island ⓘ |
| adminDistrict | Ogasawara Subprefecture ⓘ |
| administeredBy |
Tokyo
ⓘ
surface form:
Tokyo Metropolis
|
| alsoKnownAs |
Iwo Jima
ⓘ
surface form:
Iwo To
Iōjima ⓘ |
| area | about 21 square kilometers ⓘ |
| battleBelligerent |
Japan
ⓘ
surface form:
Empire of Japan
United States of America ⓘ
surface form:
United States
|
| battleDate | February 19, 1945 – March 26, 1945 ⓘ |
| capturedBy | United States Marine Corps ⓘ |
| climate | subtropical ⓘ |
| controlledBy |
Japan Air Self-Defense Force
ⓘ
Japan Maritime Self-Defense Force ⓘ |
| country | Japan ⓘ |
| countryDuringWWII |
Japan
ⓘ
surface form:
Empire of Japan
|
| elevation | about 169 meters ⓘ |
| formerName |
Hahajima
ⓘ
surface form:
Iōtō
|
| geologicalType | stratovolcano ⓘ |
| hasFacility |
airfield
ⓘ
runway ⓘ |
| hasFeature |
black volcanic sand beaches
ⓘ
steaming ground ⓘ sulfur vents ⓘ |
| highestPoint | Mount Suribachi ⓘ |
| highestPointElevation | about 169 meters ⓘ |
| historicalEvent | Battle of Iwo Jima ⓘ |
| length | about 8 kilometers ⓘ |
| locatedIn |
Pacific Ocean
ⓘ
western Pacific Ocean ⓘ |
| memorializedIn |
Marine Corps War Memorial
ⓘ
surface form:
United States Marine Corps War Memorial
film "Flags of Our Fathers" ⓘ film "Flags of Our Fathers" ⓘ
surface form:
film "Letters from Iwo Jima"
film "Sands of Iwo Jima" ⓘ |
| nameMeaning | Sulfur Island ⓘ |
| notableFor | iconic flag-raising photograph on Mount Suribachi ⓘ |
| partOf |
Ogasawara Islands
ⓘ
Volcano Islands ⓘ |
| population | uninhabited by civilians ⓘ |
| postwarStatus | returned to Japanese control in 1968 ⓘ |
| sovereignState | Japan ⓘ |
| strategicImportance |
airfields for US bombing raids on Japan
ⓘ
emergency landing site for US bombers ⓘ |
| tectonicSetting | subduction zone ⓘ |
| usedAs | military base ⓘ |
| volcanicArc |
Izu–Bonin Arc
ⓘ
surface form:
Izu–Bonin–Mariana Arc
|
| width | about 4 kilometers ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: Iwo Jima Description of subject: Iwo Jima is a small volcanic island in the western Pacific Ocean, historically significant as the site of a major World War II battle between the United States and Japan.
Referenced by (39)
Full triples — surface form annotated when it differs from this entity's canonical label.